/// XML Class ///
XML.prototype.setBrowser=function(){var agent=window.navigator.userAgent;if(agent.match(/msie/ig))this.browser='ie';else if(agent.match(/firefox/ig))this.browser='ff';else if(agent.match(/opera/ig))this.browser='op';}
XML.prototype.setRequestObj=function(){	if(this.browser!='ie'){this.requestObj= (new XMLHttpRequest());}else if (this.browser=='ie'){try {this.requestObj= (new ActiveXObject("Msxml2.XMLHTTP"));} catch (e){try{this.requestObj= (new ActiveXObject("Microsoft.XMLHTTP"));}catch (e){}}}else this.requestObj=null;}
XML.prototype.fromSyncRequest=function(_url,_rType, _requestHeaders,_method,_message)
{ if(!this.requestObj) this.setRequestObj(); if(!_method) _method="GET"; this.requestObj.open(_method,_url, false);
  if(_requestHeaders && _requestHeaders!=''){var headers=_requestHeaders.split('&');for(var i=0; i<headers.length; i++){var temp=headers[i].split('=')
  if(temp.length>1)this.requestObj.setRequestHeader(temp[0],temp[1]);}}if(!_message)this.requestObj.send(null);else this.requestObj.send(_message);
  switch(_rType){case 0:	return this.requestObj.responseText;case 1: return this.requestObj.responseXML;case 2: return this.requestObj.responseStream;default:return this.requestObj.responseXML;}}
XML.prototype.fromString=function(str){var dom;if(this.browser=='ie'){dom =new ActiveXObject("Microsoft.XMLDOM");dom.preserveWhiteSpace=false;dom.loadXML(str);return dom;}else{var parser=new DOMParser();parser.preserveWhiteSpace=false;parser.async=false;dom=parser.parseFromString(str, "text/xml");return dom;}}
if(document.implementation.hasFeature("XPath", "3.0")){XMLDocument.prototype.selectNodes = function(cXPathString){var objXPath = this.createNSResolver(this.documentElement);var aItems = this.evaluate(cXPathString, this, objXPath, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);var aResult = [];for( var i = 0; i < aItems.snapshotLength; i++){aResult[i] =  aItems.snapshotItem(i);}return aResult;}}

function XML(){	this.browser=null;this.setBrowser();this.requestObj=null;}

/// End of XML Class ///

function callEvent(oObj, oEvt)
{
	if(window.event && oObj.fireEvent)
	{
		oObj.fireEvent(oEvt,window.event)
	}
	else
	{
		var clickevent=document.createEvent('HTMLEvents');
		clickevent.initEvent(oEvt.replace(/on/,''), true, true);
		oObj.dispatchEvent(clickevent);
	}
}

function getNodes(sExpando,sTagName)
{
	var aNodes = new Array();
	if(!sExpando)
		return aNodes;
	sExpando = sExpando.toLowerCase()
	if(sTagName)
		sTagName = sTagName.toUpperCase()
	var aStack = new Array(document.body);
	while(aStack.length != 0)//for every node in stack
	{
		var oNode = aStack.pop();
		if(oNode.nodeType == 1 && (!sTagName || oNode.tagName == sTagName))//html element 	and the tag we want
		{
			for(var i=0;i<oNode.attributes.length;i++)
			{
				var oAttrib = oNode.attributes[i]	
				if(oAttrib.nodeName.toLowerCase().indexOf(sExpando) != -1)
				{
					if(!oNode[sExpando])//set the as prop for moz
						oNode[sExpando] = oAttrib.nodeValue;
					aNodes.push(oNode);
					break;
				}
			}
		}
			
		if(oNode.hasChildNodes) //append childs to stack
			for(var i = 0 ; i < oNode.childNodes.length; i++)
				aStack.push(oNode.childNodes[i]);
	}
	return aNodes;
}

function initDynPopulate(sFolder)
{
	var aLinked = getNodes('populate','select');
	for(var i = 0 ; i < aLinked.length; i++)
	{
		var oNode = aLinked[i];
		oNode.populateFolder = sFolder;
		
		oNode.onchange=function()
		{
			
			var sParamName;
			var sParamValue;
			
			if(this.value!='' && this.value!='0')
			{
				sParamName = this.name;	
				sParamValue = this.value
			}
			else if(this.getAttribute('parent'))
			{
				var oParent=document.getElementById(this.getAttribute('parent'));
				if(oParent)
				{
					sParamName = oParent.name;
					sParamValue = oParent.value;
				}
				else
					return false;
			}
			else
				return false;
			
			
			var oPop;
			var sNames;
			
			if(this.getAttribute('populateById'))
			{
				oPop=document.getElementById(this.populateById);	
				this.setAttribute('populate',this.source);
			}
			else
			{	
			 	var tmp= document.getElementsByName(this.populate);
			 	if(!tmp)
					return false;
				
				if(tmp.length && tmp.length>0)
					oPop = tmp[0];	
			}
			
			for(var i=oPop.options.length-1;i>0;i--)
			{
				if(oPop.options[i].value != '' && oPop.options[i].value != '0')
					oPop.remove(i);
			}
			
			var aRecords;
			var loader= new XML();
			
			var _xm=loader.fromString(loader.fromSyncRequest(this.populateFolder+this.populate+'.htm?'+sParamName+'='+sParamValue,0));
			aRecords=_xm.selectNodes('//data/record');
		
			if(oPop.getAttribute('holdParent'))
			{
				for(var i = 0; i < aRecords.length; i++)
				{
					var oOption = document.createElement("OPTION");
					oOption.text=aRecords[i].getElementsByTagName('name')[0].firstChild.nodeValue;
					oOption.value=aRecords[i].getElementsByTagName('id')[0].firstChild.nodeValue;
					
					oOption.setAttribute("parentId",aRecords[i].getElementsByTagName('parentId')[0].firstChild.nodeValue);
					
					oPop.options[oPop.options.length] = oOption;
				}
			}
			else
			{
			 	for(var i = 0; i < aRecords.length; i++)
				{
					var oOption = document.createElement("OPTION");
					oOption.text=aRecords[i].getElementsByTagName('name')[0].firstChild.nodeValue;
					oOption.value=aRecords[i].getElementsByTagName('id')[0].firstChild.nodeValue;
					oPop.options[oPop.options.length] = oOption;	
				}
			}
			
			if(oPop.getAttribute("populate"))
				callEvent(oPop,'onchange');
		}
	}
}


function setParent(oCaller,sParent)
{
	var oParent=document.getElementById(sParent);
	var sPId = oCaller.options[oCaller.selectedIndex].getAttribute("parentId");
	
	if(!sPId)
		return false;
	
	for(var i=oParent.options.length-1;i>0;i--)
	{
		if(oParent.options[i].value == sPId)
		{
			oParent.selectedIndex=i;
			break;
		}
	}
	
	for(var i=oCaller.options.length-1;i>0;i--)
	{
		if(oCaller.options[i].getAttribute("parentId") != sPId)
			oCaller.remove(i);
	}	
}